CN102713882B - Methods and systems for selective implementation of progressive display techniques - Google Patents
Methods and systems for selective implementation of progressive display techniques Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/14—Display of multiple viewports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/131—Protocols for games, networked simulations or virtual reality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/04—Protocols for data compression, e.g. ROHC
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/02—Handling of images in compressed format, e.g. JPEG, MPEG
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
- G09G2340/0435—Change or adaptation of the frame rate of the video stream
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2350/00—Solving problems of bandwidth in display systems
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Abstract
The present disclosure relates to systems and methods for selective implementation of progressive display techniques based on a number of frames displayed in a window. A first hooking component identifies for a window displaying first application data on a local computing device a number of frames to be displayed in the window. A display manager generates, based on the identified number of frames to be displayed, an instruction to compress an identification of an update to the application data. The data is compressed and sent and transmitted to the local device in order to be displayed on the window. A display manager may determine for another window displaying a different application data on the local device whether or not to compress a second identification of an update to the second application data.; The second application data may be transmitted to the local device compressed or not compressed based on the determination.
Description
related application
Patent application claims on November 16th, 2009 submits to, title is " Me thods and Systemsfor Selective Implementation of Progressive Display Techniques ", sequence number is the U.S. Provisional Application of 61/261528 interests and right of priority, this application is contained in this by entirety by reference.
Technical field
The application relates generally to data communication network.The application particularly relates to the system and method for realizing display technique.
Background technology
The server that enterprise network runs can provide service to remote client.That these services can comprise the local runtime on that server and application of being accessed by network by remote client.Use the client computer of described application may receive various display window, described display window may comprise the relevant information of application or function, such as graphical user interface, display or figure.Because application may be different in type, form and the utilization of resources, some application may require more resource than other application.Within the specific time period user may with certain apply alternately than with other apply mutual frequently.Due to the bandwidth on network may be limited or user's request may increase, so enterprise may wish the efficiency of the data transmission improved between remote client and server.
Summary of the invention
When the virtual server processing request breaks down, the service provided by load balancer may be interrupted and client computer may experience delay.Other virtual servers can be born previously by the flow of the virtual server process of breaking down.
The disclosure relates to the method and system for optionally realizing progressive display technology.The disclosure particularly relates to the method and system optionally realizing progressive display technology according to the multiple frames shown in the window within a period of time for independent application window.The system can in the system with compositing desktop environment and not with compositing desktop environment realizes these progressive display technology.
The system being designed to transmission two dimension or three-dimensional picture between remote computation machine and local computing machine requires a large amount of resources usually because of various reasons.In many cases, these systems are required the complex figure transmitting a large amount of images or transmission requirement ample resources at short notice.Transmission-such as the application of resource, desktop, virtual machine or other resources remotely transmitted-computing environment image being sent to rapidly number of different types may be required in many cases.
There is many Method and Technology to compress the pressure caused on System and Network to alleviate graphics process with coded graphics.Usually, all graphical application compress techniques of sending of these solution subtend local computing machine or not applied compression technology.These solutions normally put the determination making the applied compression technology about whether statically at a fixed time.
But in certain embodiments, some application may require at different time points the picture quality applying varying level with other.Such as, in some embodiments of frequent updating image wherein, owing to upgrading frequently, the aesthetic qualities of image may be unessential to user; In other embodiments of infrequently more new images wherein, the aesthetic qualities of image may be prior to user.Usually, environment based on to computing machine can amount of bandwidth instead of based on user expect quality level come applied compression technology or progressive display technology.In addition, traditional environment does not usually process the application-specific of those scenes of such scene-such as show compositing desktop environment-wherein and may require higher or lower picture quality than the remainder of Another application or desktop computing environment.
In one aspect, the method optionally realizing progressive display technology according to the multiple frames shown in the window within a period of time for the independent application window in compositing desktop environment comprises on local computing de, the first window of display application output data is identified in the multiple frames shown in first window in a period of time, and it is produced by the first application performed on remote computing device that this application exports data.The method quantity comprised in response to identified frame is compressed and is applied to first the mark that the application produced exports the renewal of data.The method comprises the mark of compression is transferred to local computing de from remote computing device.The method comprises on local computing de, display application exports the multiple frames shown in a second window in Second Window identification a period of time of data, and it is produced by the second application performed on remote computing device that this application exports data.The method comprises and is transferred to local computing de by applying to second the un-compressed mark that the application that produces exports the renewal of data from remote computing device.
In yet another aspect, the method optionally realizing progressive display technology according to the multiple frames shown in the window within a period of time for the independent application window in compositing desktop environment comprises on local computing de, the first window of display application output data is identified in the multiple frames shown in first window in a period of time, and it is produced by the first application performed on remote computing device that this application exports data.The method quantity comprised in response to identified frame is compressed and is applied to first the mark that the application produced exports the renewal of data.The method comprises the mark of this compression is transferred to local computing de from remote computing device.The method comprises the quantity in response to the identified frame shown in first window within this period, comes on local computing de, the Second Window of display application output data determines to transmit the mark of the compression of applying the renewal of the application output data produced to perform on remote computing device second.The method comprises and is transferred to local computing de by applying to second the mark that the application that produces exports the compression of the renewal of data from remote computing device.
In yet another aspect, the method optionally realizing progressive display technology according to the multiple frames shown in the window within a period of time for the independent application window in compositing desktop environment comprises on local computing de, the first window of display application output data is identified in the multiple frames shown in first window in a period of time, and it is produced by the first application performed on remote computing device that this application exports data.The method quantity comprised in response to identified frame is compressed and is applied to first the mark that the application produced exports the renewal of data.The method comprises the mark of this compression is transferred to local computing de from remote computing device.The method comprise in response to the identified frame shown in first window within this period quantity on local computing de the compositing desktop of display translation data determine to transmit mark to the compression of the renewal of the output data that the remote desktop Compositing Engine performed on remote computing device produces.The method comprises the mark of the compression of the renewal of the output data produced remote desktop Compositing Engine is transferred to local computing de from remote computing device.
In yet another aspect, the system optionally realizing progressive display technology according to the multiple frames shown in the window within a period of time for the independent application window in compositing desktop environment comprises the first hook component, the second hook component, display manager and remote agent.The first hook component that remote computing device performs is that the first window of display application output data on local computing de is identified in the multiple frames shown in first window in a period of time, and it is produced by the first application performed on remote computing device that this application exports data.The second hook component that remote computing device performs is that the Second Window of display application output data on local computing de is identified in the multiple frames shown in first window in a period of time, and it is produced by the second application performed on remote computing device that this application exports data.The display manager that remote computing device performs determines whether that instruction is applied at least one application in the second output Data Update produced of the first output Data Update and second produced to first and compressed.The compression first received from display manager of remote agent that remote computing device performs exports the instruction of Data Update, receives and exports Data Update and export Data Update and un-compressed second to first of local computing de transmission compression export Data Update from the instruction not compressing the second output Data Update of display manager, compression first.
In one embodiment, remote agent comprises the receiver for receiving the instruction from display manager.In yet another embodiment, this system be included in remote computing device performs and produce the remote desktop Compositing Engine of desktop environment of synthesis.In yet another embodiment, this system be included in local computing de performs and show the local Desktop Window Manager of the desktop environment of synthesis produced by remote desktop Compositing Engine.In yet another embodiment, display manager indicates in response to the quantity of the identified frame shown in first window within this time period and exports Data Update to second and compress.In yet another embodiment, remote agent receives and exports the instruction of Data Update and the instruction not compressing the first output Data Update received from display manager from the compression second of display manager; Remote agent compression second exports Data Update and exports Data Update and un-compressed first to second of local computing de transmission compression and exports Data Update.
In some respects, the disclosure relates to the method optionally realizing progressive display technology according to the multiple frames shown in the window within a period of time.First hook component can export data first window for showing the first application on local computing de is identified in the multiple frames shown in first window in a period of time, and it is produced by the first application performed on remote computing device that this first application exports data.Remote agent can compress in response to the quantity of identified frame applies to first the mark that the first application produced exports the renewal of data.The mark of this compression can be transferred to local computing de from remote computing device by remote agent.Second hook component can export data Second Window for showing the second application on local computing de is identified in the multiple frames shown in a second window in a period of time, and it is produced by the second application performed on remote computing device that this second application exports data.The un-compressed mark applying the renewal of the second application output data produced to second can be transferred to local computing de from remote computing device by remote agent.
In certain embodiments, the first hook component receives the information identifying the multiple frames produced by the first application.In a further embodiment, the information of the quantity of this identification frame is forwarded to display manager by the first hook component.In a further embodiment, display manager monitoring first application exports the frame per second of data and the second application output data.In a further embodiment, display manager determines that the frame per second of the first application output data changes.In a further embodiment, display manager is in response to determining that described frame per second has changed the instruction producing and the compression of remote agent is exported to the mark of the renewal of data to the first application.In a further embodiment, according to the information of the quantity identifying frame, display manager determines that the frame per second of the first application output data changes.In certain embodiments, display manager exports the instruction of the mark of the renewal of data to the first application to remote agent transmission compression according to the change in determined frame per second.In other embodiments, display manager does not compress the instruction the second application being exported to the mark of the renewal of data to remote agent transmission according to the change in determined frame per second.
In some respects, the disclosure relates to the method optionally realizing progressive display technology according to the multiple frames shown in the window.First hook component can export data first window for showing the first application on local computing de is identified in multiple frames that will show in first window in a period of time, and it is produced by the first application performed on remote computing device that this first application exports data.Display manager can produce compression according to the quantity of the identified frame that will show and apply to first the instruction that the first application produced exports the mark of the renewal of data.Remote agent can compress applies to first the mark that the first application produced exports the renewal of data.The mark of this compression can be transferred to local computing de from remote computing device by remote agent.Display manager can export data Second Window for showing the second application on local computing de is determined to compress or do not compress to apply to perform on remote computing device second the second mark that the second application produced exports the renewal of data.The second mark applying the renewal of the second application output data produced to second can be transferred to local computing de from remote computing device by remote agent.Can compress or not compress the second mark the second application being exported to the renewal of data according to the determination of display manager.
In certain embodiments, display manager is determined to determine to compress or do not compress the second mark the second application being exported to the renewal of data in response to the quantity being identified in the frame shown in this time period inherent first window.In a further embodiment, display manager monitoring first application exports the frame per second of data and the second application output data.In some other embodiments, display manager is determined that compression identifies second of the renewal of the second application output data and this is applied second of the compression of the renewal of the second application output data produced to second and is identified the Receiving Agent be transferred on local computing de.In certain embodiments, remote agent transmit this to second application renewal compression second mark.In a further embodiment, display manager is determined not compress and is exported the second mark of the renewal of data to the second application and this apply un-compressed second of the renewal of the second application output data produced to second identify the Receiving Agent be transferred on local computing de.In a further embodiment, remote agent transmits un-compressed second mark of this renewal.
In some respects, the disclosure relates to the multiple frames shown in the window within a period of time according to the independent application window in the desktop environment for synthesis, optionally realizes the method for progressive display technology.Local agent on local computing de or the first hook component performed on remote computing device can be applied for display first first window exporting data and be identified in the multiple frames shown in first window in a period of time, and it is produced by the first application performed on remote computing device that this first application exports data.Can compress in response to the quantity of identified frame and apply to first the mark that the first application produced exports the renewal of data.The mark of this compression can be transferred to local computing de from remote computing device.In response to the quantity of the identified frame shown in first window within this period, can on local computing de the compositing desktop of display translation data determine to transmit mark to the compression of the renewal of the output data that the remote desktop window manager on remote computing device produces.The mark of the compression of the renewal of the output data produced remote desktop window manager is transferred to local computing de from remote computing device.
In some respects, the disclosure relates to the system optionally realizing progressive display technology according to the multiple frames shown in the window.The first hook component that remote computing device performs can export data first window for showing the first application on local computing de is identified in the multiple frames shown in first window in a period of time.It can be produced by the first application performed on remote computing device that this first application exports data.The second hook component that remote computing device performs can export data Second Window for showing the second application on local computing de is identified in the multiple frames shown in a second window in a period of time.It can be produced by the second application performed on remote computing device that this second application exports data.The display manager that remote computing device performs can determine whether that instruction is applied at least one application in the second output application data renewal produced of the first output application data renewal and second produced to first and compressed.The remote agent that remote computing device the performs compression first that can receive from display manager exports the instruction of Data Update, receives and exports Data Update and export Data Update and un-compressed second to first of local computing de transmission compression export Data Update from the instruction not compressing the second output Data Update of display manager, compression first.
In certain embodiments, remote agent also comprises the receiver for receiving the instruction from display manager.In a further embodiment, remote desktop window manager performs and produces the desktop environment of synthesis on remote computing device.In certain embodiments, local Desktop Window Manager performs and shows the desktop environment of the synthesis produced by remote desktop window manager on local computing de.In a further embodiment, display manager also comprises for indicating the device compressed the second output Data Update in response to the quantity being identified in the frame shown in this period inherent first window.In certain embodiments, remote agent also comprise for the compression second received from display manager export the instruction of Data Update device, for receive from display manager the device not compressing the instruction of the first output Data Update, for compress the second output Data Update device and for exporting to second of local computing de transmission compression the device that Data Update and un-compressed first exports Data Update.
In certain embodiments, display manager also comprise in response to the identified multiple frames shown in first window within this period on local computing de the compositing desktop of display translation data determine the device of the renewal indicating compression to the output data that the remote desktop window manager that performs on remote computing device produces.In certain embodiments, remote agent also comprise the instruction of the output Data Update that the compression for receiving from display manager is produced by remote desktop window manager device, for compressing the device of the output Data Update produced by remote desktop window manager and the device of the output Data Update of compression for producing to local computing de transmission remote desktop window manager.
In some respects, the disclosure relates to the multiple frames shown in the window within a period of time according to the independent application window in the desktop environment for synthesis, optionally realizes the system of progressive display technology.This system can comprise for on local computing de display application export the device that the first window of data is identified in the multiple frames shown in first window in a period of time, it is produced by the first application performed on remote computing device that this application exports data.This system also can comprise applies to first the device that the application produced exports the mark of the renewal of data for compressing in response to the quantity of identified frame.This system can also comprise the device for the mark of this compression to be transferred to local computing de from remote computing device.This system also can comprise for on local computing de display application export the device that the Second Window of data is identified in the multiple frames shown in a second window in a period of time, it is produced by the second application performed on remote computing device that this application exports data.The method also comprises for applying to second un-compressed mark that the application that produces exports the renewal of data to be transferred to local computing de device from remote computing device.
In some respects, the disclosure relates to the multiple frames shown in the window within a period of time according to the independent application window in the desktop environment for synthesis, optionally realizes the system of progressive display technology.This system comprise for on local computing de display application export the device that the first window of data is identified in the multiple frames shown in first window in a period of time, it is produced by the first application performed on remote computing device that this application exports data.This system also can comprise applies to first the device that the application produced exports the mark of the renewal of data for compressing in response to the quantity of identified frame.This system can also comprise device for the mark of this compression to be transferred to local computing de from remote computing device and determine to transmit the device of the mark apply compression of the renewal of the application output data produced to perform at remote computing device second for the quantity in response to the identified frame shown first window within this period for Second Window that display application on local computing de exports data.This system also can comprise for applying to second mark that the application that produces exports the compression of the renewal of data to be transferred to local computing de device from remote computing device.
In some respects, the disclosure relates to the multiple frames shown in the window within a period of time according to the independent application window in the desktop environment for synthesis, optionally realizes the system of progressive display technology.The disclosure also can relate to the multiple frames according to showing in the window within a period of time for the independent application window in nonsynthetic desktop system, optionally realizes the system and method for progressive display technology.This system can comprise for on local computing de display application export the device that the first window of data is identified in the multiple frames shown in first window in a period of time, it is produced by the first application performed on remote computing device that this application exports data.This system also can comprise applies to first the device that the application produced exports the mark of the renewal of data for compressing in response to the quantity of identified frame.This system can comprise the device for the mark of this compression to be transferred to local computing de from remote computing device.This system can also comprise in response to the identified frame shown in first window within this period quantity on local computing de the compositing desktop of display translation data determine to transmit device to the mark of the compression of the renewal of the output data that the remote desktop window manager performed on remote computing device produces.This system mark that can comprise for the compression of the renewal by the output produced remote desktop window manager data is transferred to the device of local computing de from remote computing device.
Accompanying drawing explanation
By reference to following description taken together with the accompanying drawings, aforementioned and other object of the present disclosure, aspects, features and advantages will more obviously and be easier to understand, wherein:
Figure 1A describes the block diagram comprising the embodiment of the network environment of the local machine communicated with remote machine;
Figure 1B-1E describes the block diagram being applicable to the embodiment of the computing machine of method and system described herein;
Fig. 2 A describes the block diagram that the multiple frames shown in the window within a period of time according to the independent application window in the desktop environment for synthesis optionally realize an embodiment of the system of progressive display technology;
Fig. 2 B is the block diagram of an embodiment of the system described for optionally realizing progressive display technology;
Fig. 2 C is the block diagram of an embodiment of the system described for optionally realizing progressive display technology;
Fig. 3 describes the process flow diagram that the multiple frames shown in the window within a period of time according to the independent application window in the desktop environment for synthesis optionally realize an embodiment of the method for progressive display technology;
Fig. 4 describes the process flow diagram that the multiple frames shown in the window within a period of time according to the independent application window in the desktop environment for synthesis optionally realize the embodiment of the method for progressive display technology;
Fig. 5 describes the multiple frames shown in the window within a period of time according to the independent application window in the desktop environment for synthesis to carry out the process flow diagram that selectivity realizes another embodiment of the method for progressive display technology.
Embodiment
Refer now to Figure 1A, describe the embodiment of network environment.Generally speaking, network environment comprise via one or more network 104 and one or more remote machine 106a-106n(total be also called server 106 or remote machine 106) one or more local machine 102a-102n(of communicating total be also called local machine 102, client computer 102, client node 102, client machine 102, client computer 102, customer set up 102, end points 102 or endpoint node 102).In certain embodiments, local machine 102 existing as client node seek access services device the ability of resource is provided, also have as server to other client computer 102a-102n provide to post the ability of the access of the resource of carrying.
Although Figure 1A shows the network 104 between local machine 102 and remote machine 106, local machine 102 and remote machine 106 can be positioned on identical network 104.Network 104 can be Local Area Network (such as company Intranet), Metropolitan Area Network (MAN) (MAN), or wide area network (WAN) (such as the Internet or WWW).In certain embodiments, multiple network 104 can be had between local machine 102 and remote machine 106.In one of these embodiments, network 104 ' (not shown) can be private and network 104 can be public network.These embodiments another in, network 104 ' can be private and network 104 ' can be public network.In yet another embodiment, network 104 and 104 ' can be all private.And in another embodiment, network 104 and 104 ' can be all public network.
Network 104 can be the network of any type and/or form, and any following network can be comprised: point to point network, radio network, wide area network, LAN (Local Area Network), communication network, data communication network, computer network, ATM(asynchronous transfer mode) network, SONET(Synchronous Optical Network) network, SDH(SDH (Synchronous Digital Hierarchy)) network, wireless network and cable network.In certain embodiments, network 104 can comprise wireless link, such as infrared channel or Landsat band.Network 104 topology can be bus-type, star-like or ring network is topological.Network 104 can have for any such network topology well known to those of ordinary skill in the art, that can support operation described herein.Network can comprise the mobile telephone network utilized for arbitrary or some agreements communicated between mobile device, and these agreements comprise: AMPS, TDMA, CDMA, GSM, GPRS or UMTS.In certain embodiments, dissimilar data can be transmitted by different agreement.In other embodiments, the data of same type are transmitted by different agreement.
In certain embodiments, system can comprise the remote machine 106 of multiple logic groups.In one of these embodiments, the logic groups of server can be called as server zone 38.These embodiments another in, remote machine 106 can be and geographically disperses.In other embodiments, server zone 38 can be managed as single entity.Still in other embodiments, server zone 38 comprises multiple server zone 38.Remote machine 106 in each server zone 38 may be isomery---one or more remote machine 106 can according to the operating system platform of a type (such as, WINDOWS NT, WINDOWS 2003 or WINDOWS 2008, all these is by the Microsoft Company of State of Washington Redmond) operation, and other remote machine 106 one or more can operate according to the operating system platform of another type (such as, Unix or Linux).
The remote machine 106 of each server zone 38 need not be close physically with another remote machine 106 in same server zone 38.Therefore, the remote machine 106 groups being grouped into server zone 38 in logic can be use wide area network (WAN) connection or Metropolitan Area Network (MAN) (MAN) to connect to come interconnected.Such as, server zone 38 can comprise the remote machine 106 of zones of different being physically located at different continent or continent, country, state, city, campus or room.If remote machine 106 uses Local Area Network to connect or some direct-connected forms connect, then can increase the data transfer rate between the remote machine 106 in server zone 38.
Remote machine 106 can be file server, application server, web server, proxy server, equipment, the network equipment, gateway, application gateway, gateway server, virtualized server, deployment server, SSL vpn server, or fire wall.In certain embodiments, remote machine 106 provides remote authentication Dial-In User Service, and can be called as radius server.In other embodiments, remote machine 106 can have as application server or the ability as master application server work.Still in other embodiments, remote machine 106 is blade servers.In other embodiments, remote machine 106 performs provides the virtual machine of accessing computing environment to user or client computer 102.
In one embodiment, remote machine 106 can comprise Active Directory.Remote machine 106 can be application acceleration equipment.Are embodiments of application acceleration equipment for wherein remote machine 106, remote machine 106 can provide and comprise firewall functionality, application firewall function, or the function of load balance function.In certain embodiments, remote machine 106 comprise such as by be positioned at California, USA San Jose Citrix application network group, be positioned at California, USA Mountain View, the equipment of one of equipment chain that manufactures of Silver Peak Systems company, the Riverbed Technology company being arranged in California, USA San Francisco, the F5 Networks company being positioned at Washington state Seattle or the JuniperNetworks company that is positioned at California, USA Sunnyvale.
In certain embodiments, the user that remote machine 106 represents local machine 102 performs application.In other embodiments, remote machine 106 performs virtual machine, and this virtual machine provides execution session, applies the user representing local machine 102 and perform in this execution session.In one of these embodiments, this execution session be post carry desktop session.These embodiments another in, this execution session provides the access to computing environment, and this computing environment comprises following one or more: application, multiple application, desktop application and can perform the desktop session of one or more application wherein.
In certain embodiments, local machine 102 communicates with remote machine 106.In one embodiment, local machine 102 directly communicates with one of remote machine 106 in server zone 38.In yet another embodiment, local machine 102 executive routine proximity application (a program neighborhoodapplication) is to communicate with the remote machine 106 in server zone 38.In yet another embodiment, remote machine 106 provides the function of host node.In certain embodiments, local machine 102 is communicated with the remote machine 106 in server zone 38 by network 104.Such as by network 104, the various application that local machine 102 can ask the remote machine 106a-106n institute performed in server zone 38 to post year, and the output receiving application execution result shows.In certain embodiments, only have the function that host node provides such, namely identify and the function provided needed for the address information relevant to remote machine 106b, described remote machine 106b posts the application of carrying and asking.
In one embodiment, remote machine 106 provides the function of web server.In yet another embodiment, remote machine 106a receives the request from local machine 102, by this request forward to the second remote machine 106b, and responds the request of the response of this request to local machine 102 with remote machine 106b.In yet another embodiment, remote machine 106a obtain to local machine 102 can the enumerating of application, and with post the address information of carrying and being associated by the remote machine 106b enumerating identified application of this application.In yet another embodiment, remote machine 106 uses web interface to provide the response of the request to local machine 102.In one embodiment, local machine 102 directly communicates to access identified application with remote machine 106.In yet another embodiment, the output data that local machine 102 receives the application by execution remote machine 106 identifies and produces, such as, show data.
In certain embodiments, remote machine 106 or server zone 38 can run one or more application, and the application such as providing thin-client to calculate or long-range display represent application.In one embodiment, remote machine 106 or server zone 38 are as being used for any portion (such as product METAFRAME or CITRIX PRESENTATIONSERVER) of the CITRIXACCESS SUITE performing Citrix Systems company limited, any following products of being produced by Citrix Systems company limited: CITRIX XENAPP, CITRIX XENDESKTOP, CITRIX ACCESS GATEWAY, and/or any one in the MICROSOFT WINDOWS Terminal Service of Microsoft's product.In yet another embodiment, this application is the ICA client computer developed by the Citrix Systems company limited being positioned at Fla. Fort Lauderdale.Still In yet another embodiment, remote machine 106 can run application, such as, this application can be to provide application server, web or the Internet server of the E-mail service of the MICROSOFT EXCHANGE such as manufactured by the Microsoft being positioned at Washington state Redmond, or desktop sharing server, or Collaboration Server.In yet another embodiment, any application can comprise any type post carry service or product, the GOTOMEETING that the Citrix Online Divisi on company being such as positioned at California, USA SantaBarbara provides, the WEBEX that the WebEx company limited being positioned at California, USA Santa Clara provides, or the Microsoft Office LIVE MEETING that the Microsoft being positioned at Washington state Redmond provides.
Local machine 102 can perform, operates or otherwise provide application, application can be the software of any type and/or form, program or executable instruction, the executable instruction of the web browser of such as any type and/or form, the client computer based on web, client-server application, thin-client computing client, ActiveX control or Java Applet or other type any that can perform on local machine 102 and/or form.In certain embodiments, this application can be represent that local machine 102 performs on remote machine 106 based on server or based on long-range application.In other embodiments, remote machine 106 can use thin-client protocol, presentation level protocol or remote display protocol arbitrarily to carry out display translation to local machine 102, independent computing architecture (ICA) agreement that described agreement is such as produced by the Citrix Systems company limited being positioned at Fla. Ft.Lauderdale; The RDP (RDP) of being produced by the Microsoft being positioned at Washington state Redmond; X11 agreement; The virtual network computing (vnc) agreement of being produced by AT & T Bell Laboratory; The SPICE agreement of being produced by the Qumranet company limited being positioned at California, United States state Sunnyvale and be positioned at Israel Raanana; By the Net2Display agreement of the VESA Company of Californai Milpitas; By the PC-over-IP agreement of Teradici Company of Burnaby being positioned at Columbia Province of Britain, Canada; The TCX agreement of being produced by the Wyse Technology company limited of Californai San Jose; The THINC agreement developed by the Columbia University of New York, NY; Or the Virtual-D agreement to be developed by the Desktone company limited of Massachusetts Chelmsford.This application can use the agreement of any type, and it can be, such as, and HTTP client, ftp client, Oscar client or telnet client.In other embodiments, this application comprises the software of the relevant any type that to communicate to IP phone (VoIP), such as soft IP phone.In a further embodiment, this application comprises the arbitrary application relevant to real-time data communication, such as, for the application of Streaming video and/or audio frequency.
Local machine 102 and remote machine 106 can be deployed as the calculation element of any type and form and/or perform thereon, such as, can perform the computing machine of operation described herein, network equipment or equipment with the network service of any type and form.Figure 1B and 1C describes the block diagram of the calculation element 100 of the embodiment for implementing local machine 102 or remote machine 106.As shown in figs. ib and 1 c, each calculation element 100 comprises CPU (central processing unit) 121 and main storage unit 122.As shown in Figure 1B, calculation element 100 can comprise the indicating device 127 of memory storage 128, erecting device 116, network interface 118, I/O controller 123, display device 124a-124n, keyboard 126 and such as mouse.Memory storage 128 can include but not limited to operating system, software and client proxy 120.As shown in Figure 1 C, each calculation element 100 also can comprise other selectable unit (SU), and the total use label 130 of such as port memory 103, bridge 170, one or more input/output device 130a-130n(represents) and the cache memory 140 that communicates with CPU (central processing unit) 121.
CPU (central processing unit) 121 responds and processes any logical circuit of instruction taken out from main storage unit 122.In certain embodiments, CPU (central processing unit) 121 is provided by microprocessor unit, such as: the microprocessor unit manufactured by the Intel Company being positioned at California, USA Mountain View; The microprocessor unit manufactured by the motorola inc being positioned at Illinois, America Schaumburg; The microprocessor unit manufactured by the Transmeta Company being positioned at California, USA Santa Clara; RS/6000 processor, the microprocessor unit manufactured by the InternationalBusiness Machines company being positioned at New York, United States White Plains; Or the microprocessor unit manufactured by the Advanced Micro Devices company being positioned at California, USA Sunnyvale.Calculation element 100 can based on any one in these processors, or can other processor any of running of mode as described here.
Main storage unit 122 can be can store data and allow microprocessor 121 directly to access one or more memory chips of any memory location, such as static RAM (SRAM), burst SRAM or synchronization burst SRAM(BSRAM), dynamic RAM (DRAM), fast page mode DRAM(FPM DRAM), strengthen DRAM(EDRAM), growth data exports RAM(EDO RAM), growth data exports DRAM(EDO DRAM), burst-extension data export DRAM(BEDO DRAM), strengthen DRAM(EDRAM), synchronous dram (SDRAM), JEDEC SRAM, PC100SDRAM, Double Data Rate SDRAM(DDR SDRAM), strengthen SDRAM(ESDRAM), synchronization link DRAM(SLDRAM), direct rambus DRAM(DRDRAM) or ferroelectric RAM (FRAM).Primary memory 122 can based on any one of above-mentioned memory chip, or can other available memory chip any of running of mode as described here.In the embodiment shown in Figure 1B, processor 121 is described in more detail below by system bus 150() communicate with primary memory 122.Fig. 1 C describes the embodiment of the calculation element 100 that processor wherein is directly communicated with primary memory 122 by port memory 103.Such as, primary memory 122 can be DRDRAM in fig. 1 c.
Fig. 1 C is described in the wherein embodiment of primary processor 121 by directly communicating with cache memory 140 sometimes referred to as the secondary bus of back side bus.In other embodiments, primary processor 121 uses system bus 150 to communicate with cache memory 140.Cache memory 140 had usually than primary memory 122 response time faster, and was usually provided by SRAM, BSRAM or EDRAM.In the embodiment shown in Figure 1B, processor 121 is communicated with various I/O device 130 by local system bus 150.Can use various different bus that CPU (central processing unit) 121 is connected to any I/O device 130, comprise VESA VL bus, isa bus, eisa bus, MCA (MCA) bus, pci bus, PCI-X bus, PCI-Express bus or NuBus.For the embodiment that I/O device is video display 124, processor 121 can use advanced graphics port (AGP) to communicate with display 124.Fig. 1 C describes the embodiment of the computing machine 100 that primary processor 121 wherein is directly communicated with I/O device 130b by HYPERTRANSPORT, RAPIDIO or INFINIBAND communication technology.Fig. 1 C also illustrates local bus and the embodiment mixed mutually that directly communicates wherein: processor 121 uses local interconnect bus to communicate with I/O device 130a and directly communicates with I/O device 130b simultaneously.
Multiple I/O device 130a-130n can be had in calculation element 100.Input media comprises keyboard, mouse, Trackpad, trace ball, microphone and plotting sheet.Output unit comprises video display, loudspeaker, ink-jet printer, laser printer and thermal printer.As shown in Figure 1B, I/O device can be controlled by I/O controller 123.I/O controller can control one or more I/O device, and such as keyboard 126 and indicating device 127(are as mouse or light pen).In addition, I/O device can also store for calculation element 100 provides and/or install medium 116.In other embodiments, calculation element 100 can provide USB to connect (not shown) to receive hand-held USB memory storage, the USB flash memory drivetrain array apparatus such as produced by the Twintech Industry company limited being positioned at California, USA Los Alamitos.
Refer again to Figure 1B, calculation element 100 can support erecting device 116 suitable arbitrarily, such as, for receiving such as 3.5 inches, the floppy disk of the floppy disk of 5.25 inch disk or ZIP disk, CD-ROM drive, CD-R/RW driver, DVD-ROM driver, the tape drive of various form, USB device, hard disk drive or be suitable for other device any of mounting software and program.Calculation element 100 can also comprise memory storage, such as one or more hard disk drive or Redundant Array of Independent Disks (RAID), for storing operating system and other related software, and for storing the Application Software Program of the random procedure such as relating to client proxy 120.Or any one that can use erecting device 116 is as memory storage.In addition, operating system and software can run from bootable medium, and bootable medium is such as bootable CD, such as KNOPPIX, and it is a kind of bootable CD for GNU/Linux, can issue version obtain from knoppix.net as GNU/Linux mono-.
In addition, calculation element 100 can comprise network interface 118 to be docked with network 104 by multiple connection, described connection include but not limited to standard telephone line, LAN or wide-area network link (such as 802.11, T1, T3,56kb, X.25, SNA, DECNET), broadband connection (as ISDN, frame relay, ATM, gigabit Ethernet, Ethernet (Ethernet-over-SONET) based on SONET), wireless connections or above-mentioned any or whole certain combines.Various communications protocols (such as TCP/IP, IPX, SPX, NetBIOS, Ethernet, ARCNET, SONET, SDH, fiber distributed data interface (FDDI), RS232, IEEE802.11, IEEE802.11a, IEEE802.11b, IEEE802.11g, CDMA, GSM, WiMax and direct asynchronous connection) can be used to connect.In one embodiment, calculation element 100 can by any type and/or the gateway of form or such as Secure Sockets Layer(SSL) or Transport Layer Security (TLS), or the tunnel protocol of the Citrix gateway protocol manufactured by the Citrix Systems company being positioned at Fla. Ft.Lauderdale communicates with other calculation elements 100 '.Network interface 118 can comprise built-in network adapter, network interface unit, PCMCIA network card, card bus network adapter, wireless network adapter, USB network adapter, modulator-demodular unit or be applicable to calculation element 100 to be docked to and can communicate and perform other device any of the network of any type of operation described herein.
In certain embodiments, calculation element 100 can comprise multiple display device 124a-124n or coupled, and these display device can be identical or different type and/or form separately.Thus, any one I/O device 130a-130n and/or I/O controller 123 can comprise the combination of suitable hardware, software or the hardware and software of any type and/or form, to be connected to support, to allow or to provide and to use multiple display device 124a-124n by calculation element 100.Such as, calculation element 100 can comprise the video adapter of any type and/or form, video card, driver and/or storehouse, to dock with display device 124a-124n, to communicate, to be connected or otherwise to use display device 124a-124n.In one embodiment, video adapter can comprise multiple connector to dock with multiple display device 124a-124n.In other embodiments, calculation element 100 can comprise multiple video adapter, and each video adapter is connected with one or more in display device 124a-124n.In certain embodiments, any portion of the operating system of calculation element 100 can be arranged to and use multiple display 124a-124n.In other embodiments, one or more in display device 124a-124n can be provided by other calculation element one or more, calculation element 100a and 100b such as (such as passing through network) and be connected with calculation element 100.These embodiments can comprise and are designed and construct to use the display device of another computing machine as the software of any type of the second display device 124a of calculation element 100.Those of ordinary skill in the art should be familiar with and recognize various mode and the embodiment that calculation element 100 can be configured to have multiple display device 124a-124n.
In a further embodiment, I/O device 130 can be the bridge between system bus 150 and external communication bus, and described external communication bus is as connected in series in usb bus, Apple Desktop Bus, RS-232, SCSI bus, FireWire bus, FireWire800 bus, industry ethernet, AppleTalk bus, Gigabit Ethernet bus, asynchronous transfer mode bus, HIPPI bus, Super HIPPI bus, SerialPlus bus, SCI/LAMP bus, Fiber Channel bus, serial SCSI bus.
The calculation element 100 of type described in Figure 1B and 1C normally runs under the control of an operating system, the scheduling of described operating system control task and the access to system resource.Calculation element 100 can run any operating system, such as the MICROSOFT WINDOWS operating system of any version; The Unix of different release version and (SuSE) Linux OS; For any version of the MAC OS of macintosh computer; Any embedded OS; Any real time operating system; Any open source operating system; Any proprietary operating systems; Arbitrarily for the operating system of mobile computing device, or can run on the computing device and perform other operating system any of operation described herein.Typical operating system includes but not limited to: WINDOWS 3.x, WINDOWS 95, WINDOWS 98, WINDOWS 2000, WINDOWS NT3.51, WINDOWS NT 4.0, WINDOWS 7, WINDOWS CE, WINDOWS XP and WINDOWS VISTA, and all these are produced by the Microsoft being positioned at Washington state Redmond; The MAC OS produced by the Apple Computer being positioned at California, USA Cupertino; The OS/2 produced by the International Business Machine Corporation (IBM) being positioned at New York, United States Armonk; And by being positioned at the (SuSE) Linux OS that can freely use of Caldera company issue or the Unix operating system of any type and/or form of Utah, USA Salt LakeCity, and other.
Calculation element 100 can be any workstation, phone, desk-top computer, on knee or notebook computer, server, palm PC, mobile phone or other portable telecommunication devices, media playing apparatus, games system, mobile computing device, maybe can communicate and have enough processor abilities and memory capacity with the calculating of other type any and/or form of performing operation described herein, telecommunications or media apparatus.Such as, computer installation 100 can comprise the IPOD equipment series of being produced by the Apple Computer being positioned at California, USA Cupertino, by the PLAYSTATION2 of Sony Corporation being positioned at Tokyo, PLAYSTATION3 or PERSONAL PLAYSTATION PORTABLE(PSP) device, the NINTENDO DS produced by the Nintendo company limited being positioned at kyoto, Japan, NINTENDOGAMEBOY, NINTENDO GAMEBOY ADVANCED or NINTENDO REVOLUTION device, or XBOX or XBOX 360 device of being produced by the Microsoft being positioned at Washington state Redmond.
In certain embodiments, calculation element 100 can have different processors, operating system and meet the input media of this device.Such as, in one embodiment, calculation element 100 be produced by Palm company limited TREO180,270,600,650,680,700p, 700w/wx, 750,755p, 800w, Centro or Pro smart phone.These embodiments some in, TERO smart phone be under the control of Pa lmOS operating system operation and comprise pen-based input device and five navigation device.
In other embodiments, calculation element 100 is mobile devices, such as, JAVA enabled cellular telephones or PDA(Personal Digital Assistant), such as i55sr, i58sr, i85s, i88s, i90c, i95c1, i335, i365, i570, I576, i580, i615, i760, i836, i850, i870, i880, i920, i930, ic502, ic602, ic902, i776 or im1100, above these manufacture by the Motorola Inc. being positioned at Illinois, America Schaumburg; Manufactured by the Kyocera company being positioned at kyoto, Japan 6035 or 7135; Or i300 or i330 manufactured by the Samsung Electronics Co., Ltd. being positioned at South Korea Seoul.In certain embodiments, calculation element 100 is the mobile devices being manufactured by the Nokia being positioned at Finland or manufactured by the Sony Ericsson Mobile Communications AB company being positioned at Sweden Lund.
In other embodiments, calculation element 100 is the hand-held or smart phones of blackberry, blueberry (Blackberry), the device such as manufactured by Research In Motion company limited, comprises blackberry, blueberry 7100 series, 8700 series, 7700 series, 7200 series, blackberry, blueberry 7520, blackberry, blueberry PEARL 8100,8700 series, 8800 series, blackberry, blueberry Storm, blackberry, blueberry Bold, blackberry, blueberry Curve 8900, blackberry, blueberry Pearl Flip.In other embodiments, calculation element 100 is smart phone, Pocket PC, Pocket PC phone, or supports other hand-held moving device of Microsoft Windows Mobile Software.In addition, calculation element 100 can be any workstation, desk-top computer, on knee or notebook computer, server, palm PC, mobile phone, arbitrarily other computing machine, maybe can communicate and have enough processor abilities and memory capacity to perform calculating or the telecommunication installation of other form of operation described herein.
In certain embodiments, calculation element 100 is digital audio-frequency players.In one of these embodiments, calculation element 100 be such as manufactured by the Apple Computer being positioned at California, USA Cupertino Apple IPOD, IPOD Touch, IPOD NANO and IPOD SHUFFLE equipment series digital audio-frequency player.These embodiments another in, digital audio-frequency player can be used as portable media player and carrys out work as mass storage device.In other embodiments, calculation element 100 is the DigitalAudioPlayer Select MP3 players such as manufactured by the Samsung ElectronicsAmerica company being positioned at New Jersey Ridgefield Park, or the digital audio-frequency player of Motorola m500 or m25 manufactured by the motorola inc being positioned at Illinois, America Schaumburg.In other embodiments, calculation element 100 is portable media players, the MP3 player of Zen Vision W, the Zen Vision series, Zen Portable Media Center device or the Digital MP3 series that are such as manufactured by Creative Technologies company limited.Still in other embodiments, calculation element 100 is portable media player or the digital audio-frequency player of supporting following file layout, and these file layouts include but not limited to MP3, WAV, M4A/AAC, WMAProtected AAC, AIFF, Audible talking book, Apple Lossless audio file formats and .mov .m4v and .mp4MPEG-4(H.264/MPEG-4AVC) video file format.
In certain embodiments, calculation element 100 comprises the combination of device, such as, with digital audio-frequency player or the combined mobile phone of portable media player.In one of these embodiments, calculation element 100 is Motorola RAZR or the Motorola ROKR series of combined digital audio player and mobile phone.These embodiments another in, calculation element 100 is the devices of iPhone Series Intelligent phone manufactured by the Apple being arranged in California Cupertino.
In one embodiment, calculation element 102a from remote machine 106 request resource, can provide the function of remote machine 106 simultaneously to client computer 102b.In such embodiments, with regard to from remote machine 106(, it can be called as server) receive with regard to data, calculation element 102a can be called as client computer, and with regard to the second client computer 102b, calculation element 102a can be called as server.In yet another embodiment, client computer 102 can user in representative client 102 from remote machine 106 request resource.
As shown in figure ip, calculation element 100 can comprise multiple processor, and can be provided for not only data slice is performed to multiple instruction simultaneously or performs the function of an instruction simultaneously.In certain embodiments, calculation element 100 can comprise the parallel processor with one or more core.In one of these embodiments, calculation element 100 is shared drive parallel devices, has multiple processor and/or multiple processor core, is conducted interviews by all free memories as a global address space.These embodiments another in, calculation element 100 is distributed memory parallel devices, has multiple processor, and each processor only accesses local storage.These embodiments another in, the existing shared storer of calculation element 100 has again the storer only by par-ticular processor or processor subset access.These embodiments another in, as multi-core microprocessor calculation element 100 by the combination of two or more independent processor in a package, usually in an integrated circuit (IC).These embodiments another in, calculation element 100 comprises the chip with unit wideband engine (CELL BROADBAND ENGINE) framework, and comprise high power treatment device unit and multiple synergetic unit, high power treatment device unit and multiple synergetic unit are linked together by inner high speed bus, inner high speed bus can be called cell interconnection bus.
In certain embodiments, processor is provided for the function multiple data slice being performed simultaneously to single instruction (SIMD).In other embodiments, processor is provided for the function multiple data slice being performed simultaneously to multiple instruction (MIMD).In another embodiment, processor can use the combination in any of SIMD and MIMD core in single assembly.
In certain embodiments, calculation element 100 can comprise Graphics Processing Unit.In of these embodiments shown in Fig. 1 E, calculation element 100 comprises at least one CPU (central processing unit) 121 and at least one Graphics Processing Unit.These embodiments another in, calculation element 100 comprises at least one parallel processing element and at least one Graphics Processing Unit.These embodiments another in, calculation element 100 comprises multiple processing units of any type, and one in multiple processing unit comprises Graphics Processing Unit.
Refer now to Fig. 2 A, block diagram describes an embodiment of the system for optionally realizing progressive display technology.In the desktop environment of synthesis, this technology can be the multiple frames based on showing in the window within a period of time for independent application window.In certain embodiments, in non-desktop synthesis system this technology based within a period of time by driver (such as, display driving software) from application receive multiple frames.Generally speaking, this system comprises the first hook (hooking) assembly 202, second hook component 208, display manager 220 and remote agent 222.First hook component 202 performs on remote computing device 106.First hook component 202 is that the first window 204 of display application output data on local computing de 102 is identified in the multiple frames shown in first window 204 in a period of time.It can be any data or output that are produced by the first application 206 performed on remote computing device 106 that this application exports data.Second hook component 208 performs on remote computing device 106.Second hook component 208 is that the Second Window 210 of display application output data on local computing de 102 is identified in the multiple frames shown in Second Window 210 in a period of time.The application shown in a second window exports data or the output that data can be included in the second application 212 that remote computing device 106 performs.Display manager 220 performs on remote computing device 106.Display manager 220 determine whether to indicate, enable, forbid or manage to first apply produce first export Data Update or second and apply the compression of at least one in the second output Data Update produced.Remote agent 222 performs on remote computing device 106.Remote agent 222 can receive the instruction compressed the first output Data Update from display manager 220.Remote agent 222 can receive and not export the instruction compressed of Data Update to second from display manager 220.Remote agent 222 can compress the first output Data Update.Remote agent 222 can transmit first of the compression being used for display in first window 204 to local computing de 102 and export Data Update and export Data Update for un-compressed second of display in Second Window 204.
In some embodiments of non-desktop synthesis system, the first hook component 202, second hook component 208, the 3rd hook component 230 and display manager 220 are the function that comprises of driver or functional module.This driver can be display driving software.In certain embodiments, this driver is Citrix graphics driver (Citrix Graphics Driver), such as Thinwire.Hook component can comprise in this driver monitors the frame received from the application relevant with the data that one or more application produces and/or the function called.In certain embodiments, that carrys out self-application calls the single frame corresponding to and produced by application.In other embodiments, call corresponding to any amount of frame.In certain embodiments, according to the quantity called in a period of time or multiple frame in a period of time, display manager 220 determines the change in frame per second.In certain embodiments, the change in frame per second is detected according to the quantity of frame in a period of time.The control of the frame per second of the window of the application outputted on customer set up can be determined completely and/or be controlled in the display driving software of function comprising hook component and/or display manager 220.
Still with reference to figure 2A, more specifically, the first hook component 202 performs on remote computing device 106.Hook component 202 can comprise the combination of hardware, software or hardware and software.Any other software that hook component 202 can comprise executable file, algorithm, function, programming code, script, api function, driver, storehouse or can perform on processor 121.In one embodiment, the first hook component 202 is file system driver.Hook component 202 can be included in by the driver operated in the ICA agreement of Citrix Systems company limited.In certain embodiments, hook component 202 can comprise the graphics driver for transmission of graphical order between remote computing device 106 and local computing de 102.Hook component 202 can comprise the virtual display adapter of Thinwire of CitrixSystems company limited or the function of the virtual display adapter of Thinwire.In certain embodiments, the first hook component 202 is file system filter driver.Hook component 202 can comprise the function of graphic user interface system, the Window 7 of such as Microsoft or the DesktopWindow Manager(Desktop Window Manager of Windows Vista operating system) or Desktop Compositing Engine(Desktop Composition Engine).Hook component 202 can be the application for running or show audio or video content, or comprise the function of described application, the Quicktime multimedia player of described application examples as Apple company limited or the RealPlayer media player of RealNetworks company limited.In yet another embodiment, the first hook component 202 is micro drives programs.In yet another embodiment, the first hook component 202 is microfilters.In yet another embodiment, the first hook component 202 is user model Hook Mechanism.Hook component 202 can comprise the function of video buffer.In yet another embodiment, the first hook component 202 is kernel mode Hook Mechanism, such as kernel-mode driver.In yet another embodiment, the first hook component 202 is user model hook equipment.In certain embodiments, the first hook component 202 refers to that the one or more software library of access is to perform the Hook Mechanism of function described herein.
First hook component 202 can comprise monitoring and/or identify will multiple frames of display in window (such as first window 204) on client computing devices.First hook component 202 can comprise on local computing de 102, the first window 204 of display application output data identifies the function of multiple frames of display in first window 204 in a period of time.Hook component 202 identifiable design or monitoring by the first application 206 performed on remote computing device 106 produce and plan on client computing devices 102 the application output data of display.In certain embodiments, the first hook component 202 is in the inner execution of the first application 206.In other embodiments, the inside of operating system that the first hook component 202 performs on remote computing device 106 performs.Hook component can comprise any function of any information receiving or tackle for identifying multiple frames that will show in the window.Hook component can receive or tackle the information of number of pictures per second that the identification from the first application 206 will show in the window.Hook component also identifiable design for certain window (such as window 204 or the window 210) pace of change on the frame number that will show per second.In one of these embodiments, the first hook component 202 tackles the communication between the first application 206 and operating system.In other embodiments, the first hook component 202 tackles the order of the setting for revising the multiple frames being limited to display in a period of time inherent first window 204.This order may carry out self-application 206, is directed to application 206 or is directed to the first hook component 202.
Second hook component 212 can comprise any function or the embodiment of the first hook component 202.Second hook component 212 can be perform hook component on remote computing device 106.The same with the first hook component 202, the second hook component can comprise the virtual display adapter of Thinwire of Citrix Systems company limited or any function of the Desktop Window Manager of such as Microsoft or the graphic user interface system of Desktop Composition Engine.Second hook component 212 can comprise any function of multimedia player, the RealPlayer of Qucktime or the RealNetworks company of Windows Media Player, Apple company limited of described multimedia player such as Microsoft.As the first hook component 202, the second hook component 212 can comprise for monitoring or measure the frame number that will show in the one or more windows on local computing de 102 or client computing devices 102 per second to any amount of application (such as apply 206 or application 212).In one embodiment, the second hook component 212 is file system driver.In yet another embodiment, the second hook component 212 is file system filter driver.In yet another embodiment, the second hook component 212 is micro drives programs.In yet another embodiment, the second hook component 212 is microfilters.In yet another embodiment, the second hook component 212 is user model Hook Mechanism.In yet another embodiment, the second hook component 212 is kernel mode Hook Mechanism, such as kernel-mode driver.In yet another embodiment, the second hook component 212 is user model hook equipment.In certain embodiments, the second hook component 212 refers to the one or more software library of access to perform the Hook Mechanism of function described herein.
Second hook component 212 is that the Second Window 210 of display application output data on local computing de 102 is identified in the multiple frames shown in Second Window 210 in a period of time, and it is apply 212 generations by perform on remote computing device 106 second that this application exports data.The change of the second hook component 212 identifiable design frame per second that will show in Second Window 212 per second.In certain embodiments, the second hook component 212 is in the inner execution of the second application 212.In other embodiments, the inside of operating system that the second hook component 212 performs on remote computing device 106 performs.In one of these embodiments, the second hook component 212 tackles the communication between the second application 212 and operating system.In other embodiments, the amendment of tackling from the second application 212 of the second hook component 212 is limited to the order of the setting of multiple frames of display in a period of time inherent Second Window 210.
In certain embodiments, multiple hook component performs on remote computing device 106.In one of these embodiments, perform in each of multiple application that hook component performs on remote computing device 106.These embodiments another in, hook component performs in remote desktop Compositing Engine 232.
Remote desktop Compositing Engine 232 can comprise any graphical user interface or graphics driver or the drilling of the operating system on remote computing device 106 work energy.In certain embodiments, remote desktop Compositing Engine 232 is called as Desktop Window Manager.In one of these embodiments, remote desktop Compositing Engine 232 performs in MI CROSOFT operating system (such as WINDOWS 7 or VISTA operating system).In other embodiments, remote desktop Compositing Engine 232 is the Compositing Engines performed in MAC OS operating system.In one embodiment, remote desktop Compositing Engine 232 is the assemblies of the desktop environment producing synthesis.In yet another embodiment, when the application performed on remote computing device produces the output data for showing to user, produced output data are transferred to from screen buffer (such as, directly its content not being presented to the storage unit of display device 124) by this application; Remote desktop Compositing Engine 232 is used for the subset using these data the compositing desktop environment shown to user from this from screen buffer retrieve data and in generation.In certain embodiments, remote desktop Compositing Engine 232 is the virtual display adapter of Thinwire of CitrixSystems company limited.Remote desktop Compositing Engine 232 can comprise hook component, such as the 3rd hook component 230.3rd hook component 230 can comprise any function of the first hook component 202 and the second hook component 212.
Remote agent 222 can comprise the combination for controlling and/or manage any software, hardware or software and hardware to the compression of the data of transmission between remote computing device 106 and local computing de 102.Any other software that remote agent 222 can comprise executable file, algorithm, function, programming code, script, api function, driver, storehouse or can perform on processor 121.Remote agent 222 can comprise for controlling, managing or trigger any function for the compression of data of display on window 204 or 210, decompression, encryption and/or deciphering.Remote agent 222 compression first received from display manager exports the instruction of Data Update, receives and exports Data Update and export Data Update and un-compressed second to first of local computing de transmission compression export Data Update from the instruction not compressing the second output Data Update of display manager, compression first.In one embodiment, remote agent 222 comprises the function for communicating with local agent 224 via thin-client agreement, presentation level protocol or remote display protocol (comprising such as above in conjunction with any agreement that Figure 1A discusses).
Display manager 220 can comprise the combination for managing, controlling and trigger any software, hardware or software and hardware to the compression of the data of transmission between device 102 and 106.Display manager 220 can comprise any other funtion part of executable file, function, algorithm, API, applet or executable code.Display manager 220 can comprise any function of the virtual display adapter of Thinwire of Citrix Systems company limited or any function of the Desktop Window Manager of such as Microsoft or the graphic user interface system of Desktop Composition Engine.Display manager 220 can comprise for determining whether instruction at least one function compressed to the first output Data Update produced by application for showing in certain window.Display manager 220 can comprise and to communicate with 230 with hook component 202,208 and to use information from hook component to determine which exports data and should to be compressed or not by the function compressed.Display manager 220 can be determined to compress the specific output data for this certain window 204 or 210 according to the information mutual with the certain window being associated with application-specific about user.Such as, display manager 220 can increase according to the user on device 102 or reduce and the first mutual information applying 206 determine to compress or do not compress from first apply 206, the output data of planning the first window 204 mail on device 106.Display manager can comprise for receive about the interactivity of user and first window 204 or Second Window 210 information and use this information to arrange, determine or adjust any function that any one output data carrying out self-application 206,212 or 232 are compressed or decompressed.
Such as the application of the first application 206 or the second application 212 can be any application running on remote computing device 106 or perform.Application 206 and/or 212 can be by the client access from local computing de 102 and on remote computing device 106 run any application.This application can be multimedia presentation application or function.This application can be multimedia player, the Quicktime player of WindowsMedia Player, Apple company limited of such as Microsoft, the RealPlayer of RealNetworks company limited.This application can be web browser application, the InternetExplore of such as Microsoft, or can be text processing application, the Mircrosoft Word of such as Microsoft.In one embodiment, this application can be configured to the frame of the first quantity showing each time period and remote desktop Compositing Engine 232 is configured to show the frame of second quantity of each time period.In yet another embodiment, multiple frames that remote desktop Compositing Engine 232 specifies each time period to show, instead of allow the quantity that should be used to specify the frame that each time period will show.
The window of such as first window 204 and Second Window 210 can comprise any user interface corresponding to the application run on remote computing device 106.Window 204 and 210 can comprise for any graphical user interface of any application 206 or 212, interactive interface or display interface.Window 204 and 210 can comprise video display, audio frequency shows, figure shows, the window of word processing file, web browser or email interface.Window 204 and 210 can receive the data of the application 206 and 212 that comfortable remote computing device 106 runs and these data can be shown to user.
Local agent 224 can be any agency for processing compression or the un-compressed data of transmission between device 102 and device 106.Local agent 224 can comprise for compressing, decompressing, encrypt or any function of data decryption.Local agent 224 can utilize any instruction of self-application 206 and 212 rebuild once in device 106 side by the data compressed to be presented in window 204 and 210.Local agent 224 can comprise any function of remote agent 222 and/or display manager 220.
In certain embodiments, the multiple frames shown in window are controlled by other sources of the output data applied or produce for showing in the window.In one of these embodiments, such as, application calculation element 100 performed produces output display.Combine with the operating system that calculation element 100 performs, this application can indicate and show produced output data in this window, these output data are displayed to (such as, in display device 124) user.These embodiments another in, when application produces the output display upgraded, this application generates mark to the renewal of these output data, and operating system instruction shows the renewal identified in the window.These embodiments another in, the quantity instruction of the frame shown in the window within a period of time is to multiple renewals of the output data shown in this window within this period-such as, if this window display two per second frame, then within 1 second, the display of this window is at first from applying the output data of reception for display (via operating system), and then display comprises the second frame of the output data through upgrading produced by this application.In other embodiments, the frame indication window that each time period is a large amount of is than frequently showing the initial renewal exporting data at this window in the situation that each time period shows a small amount of frame; Such as, the window display of display 10 frame per second upgrades from the output data and nine times of applying reception at first, and the display of the window of display per second two frame is at first from applying the output data of reception and once upgrading.In other embodiments, multiple frames of each time period display are the results of user and the application level of interaction producing these frames.Such as, in one of these embodiments, if user asks to rotate the image in application, then the quantity of the frame shown within this period is than high when user asks static display image.
Refer now to Fig. 2 B, display is used for the embodiment realizing selectivity progressive display technology according to detected user interactivity.Fig. 2 B shows application App1, App2 and App3 of running in the user class of the non-desktop synthesis system of such as Windows XP system.In kernel level, the function of such as Citrix graphics driver or Thinwire runs together with Win32k.sys function.Citrix graphics driver function can detect the change of the frame per second of given application and based on the change of this frame per second, this function can determine that user has started the application given with this and carried out alternately.Determine in response to this, this function can start to realize selectivity progressive display technology alternately more on one's own initiative with this application by notice display manager 220 user.Then, in order to adapt to the user's request increased at the interaction of user and this application, the application that display manager 220 can send compression or not compress this given application exports the instruction of data.This application exports any mark that data can comprise any data that will show in the window or the renewal to the output data of application.In certain embodiments, the mark of renewal exporting data to application comprises one or more order for making a change in the window or drawing or instruction.In other embodiments, mark application being exported to the renewal of data comprises the instruction of amendment image.Any instruction for the window part of the group of each pixel that will be modified or redraw, pixel, whole window or any amount or data can be comprised to the mark of renewal exporting data.
The function of such as Citrix graphics driver or Thinwire driver or driver can determine the data shown on the remote window at device 102 are being submitted in which application of operation on remote computing device 106.This function can operate on local computing de 102.In certain embodiments, this function can operate on remote computing device 106.This function can be operation or the function of local agent 224 or remote agent 222.In certain embodiments, this function is display manager 220.This function can identify the related application using process name.This function also can determine which local drafting or the display graphics applied just on the screen of local computing de 102.This function also can determine how application is drawing or display graphics (comprising bitmap) rapidly.When the window (such as first window 204 or Second Window 210) of user and application is mutual, this application can be drawn quickly, increases to make the frame per second in the specific region at screen in units of number of pictures per second.Increase in this frame per second may be for the short time period when user is mutual with application, or for long period of time.Increase in this frame per second can by function check to so that this function check or check the burst of frame of self-application.In certain embodiments, this function by detect for the increase in the frame per second of application-specific or application window detect user started via ICA and this application mutual.In certain embodiments, the technology of the selectivity progressive display data in window 204 or 206 is applied within the bitmap during this function or driver are checked through burst activity (until during user interactions) selected by application.In certain embodiments, this function is desktop synthesis system, wherein increases sharply for the application frame per second of particular video frequency impact damper when user is mutual with application.In such embodiments, selectivity progressive display technology is applied to the bitmap of the selection of user's those application mutual with it.In other embodiments, for be checked through at this function application-specific increase per second frame number behavior time period during incorporating selectively progressive display technology.
Refer now to Fig. 2 C, show embodiment non-interactive type application being realized to selectivity progressive display technology.In certain embodiments, non-interactive type applies the media application or video display application that can comprise for playing video or graphic file on client apparatus.The application of such as GDI App, DirecX App and OpenGLApp can operate on device 102 and/or 106.Each of these application can be connected to independent video buffer.The video renewal rate in units of number of pictures per second of application may be very high.In certain embodiments, the Desktop Window Manager of operating system can reduce the frame per second of video to save bandwidth.Such as, Desktop Window Manager can reduce the number of pictures per second of one or more video flowings of the output for one or more application.
The application of the data that generation will show on the window of device 102 can produce video frequency output with higher frame per second.Some Video Applications can carry out display video to apply than other frame per second faster.But in certain embodiments, in window 204 or 210, the overwhelming majority time that is applied in of display video may draw by the same area on screen.This position of drawing may be different from interactive application, and in interactive application, drawing data can process change in " adjacent domain on screen ".In one embodiment, such as, when the video or media application that to use such as Quicktime player play video, the function of such as Desktop Window Manager can identify this media application and determine to draw within this same area being applied in screen.This function or driver can determine this media application drawing quickly, such as, with 24 frames per second or higher speed than expection.Number of pictures per second can be reduced to the quantity lower than 24 frames per second by this function.Reduction on this number of pictures per second can be according to the current setting of bandwidth demand, video display or even may be mutual just with it based on user other application.In certain embodiments, user can use interactive application rotating model.In such embodiments, application will be drawn rapidly in adjacent domain instead of in the region identical with this media application viewing area.This function can increase interactive application frame per second according to detected user interactions also reduces the frame per second of the video shown.In certain embodiments, when Video Applications window is constantly moved or rolls, apply the region of carrying out drawing and may change and calm down in new region.Once video bitmap be detected, the selectivity progressive display on these video bitmaps just can be used in.In such embodiment, the picture quality of number of pictures per second and frame of video can change according to Bandwidth Dynamic.In some embodiments, the picture quality of number of pictures per second and frame of video can may other mutual with it application and different according to user.In other embodiments, selectivity progressive display can use CODEC technology, such as Video Codec (the H.263/H.264 standard of Theora scrambler).Can via ICA, via TCP or in certain embodiments, transmit data via different host-host protocols (such as UDP).
Refer now to Fig. 3, process flow diagram describes the change of the frame per second of the data shown in the window according to the application in the desktop environment of synthesis, optionally realizes an embodiment of the method for progressive display technology.Generally speaking, the method 300 comprises on local computing de, display application exports the multiple frames shown in first window in first window identification a period of time of data, and it is (302) of being produced by the first application performed on remote computing device that this application exports data.The method quantity comprised in response to identified frame is compressed and is applied to first the mark (304) that the application produced exports the renewal of data.The method comprises the mark of this compression is transferred to local computing de (306) from remote computing device.The method comprises on local computing de, display application exports the multiple frames shown in a second window in Second Window identification a period of time of data, and it is (308) of being produced by the second application performed on remote computing device that this application exports data.The method comprises and is transferred to local computing de by applying to second the un-compressed mark that the application that produces exports the renewal of data from remote computing device.
In one embodiment, the multiple frame shown in the window of application is relevant with the level of interaction of user and application.In one example, if application is set to seldom upgrade export data (usually causing showing the frame of lower quantity within this time period), so user and application alternately may not as be set to when application frequent upgrade export data time so much.In other words, user interactivity can cause a large amount of frame of display in window 204 or 210 within a period of time.In certain embodiments, if user with by apply the data that show or representing the data interaction of applying, then user can ask or cause extra renewal, such as interpolation or Update Table, or mutual with application by this way, even if user benefits from renewal frequently to data.
According to the identification of the multiple frames shown in the window within a period of time, display manager 220 can determine that the user of local computing de 102 exports data with application and has the mutual of higher degree.These embodiments another in, according to the identification of the quantity of the frame shown in the window within a period of time, the assembly of such as display manager 220 can determine that the user of local computing de 102 and application export that data have compared with low degree mutual.In other embodiments, there is user and the high rate of interaction exporting data in response to determining, display manager 220 can be determined to send the low-qualityer version to the renewal exporting data.In other embodiments, user and the low rate of interaction exporting data is there is in response to determining, display manager 220 can determine the version-namely because image seldom changes, so make the determination of the higher quality version providing image of the better quality sent the renewal exporting data.In other embodiments, display manager 220 receives the identification of the quantity of the frame shown in the first window of a period of time inherence and the first association.Display manager 220 according to the quantity of the identified frame shown in first window within this period, can determine that application quality level is to upgrade the output data produced by the second application for showing in a second window.
Application is wherein that in some embodiments of non-interactive media application of display video, it is also the number of pictures per second of bandwidth requirement that this application can produce.In such embodiment, display manager 220 can reduce the frame per second of the output of application to save bandwidth.Display manager 220 exports data by compressing this media application or carries out such reduction by some frames removing this application.Display manager 220 can in response to require larger frame per second, interactive application that client computer also uses to be to reduce the frame per second of this media application.In such embodiments, display manager 220 compressible media application output or reduce media application output size and increase interactive application output size or transmit un-compressed interactive application export.
Still with reference to figure 3, more specifically, for on local computing de, the first window of display application output data determines the multiple frames shown in first window within a period of time, it is (302) of being produced by the first application performed on remote computing device that described application exports data.In certain embodiments, the quantity of the frame shown within this period is the quantity of frames per second.In other embodiments, the first hook component 202 determines the quantity of the frame of display in first window 204 within this period.
In one embodiment, the first hook component 202 is tackled from the first application 206 to the order of remote agent 222, and the setting of this order instruction local agent 224 pairs of first windows 204 is modified the frame making first window 204 show this quantity.In yet another embodiment, the first hook component 202 tackles the order from the first application 206 to the operating system performed at remote computing device 106.This order can comprise amendment will apply the instruction of setting of the quantity of the frame shown in 206 windows associated with first.Such as, the function this operating system run can be modified in the setting of the multiple frames shown by the 3rd window that remote computing device 106 produces.In yet another embodiment, the first hook component 202 analyzes the data from the communication interception between the first application 206 and the operating system of remote computing device 106 execution, to determine the quantity of the frame of display in first window 204 within this period.In yet another embodiment, the first hook component 206 transmits the determination of the quantity to the frame shown in first window 204 within this period to display manager 220.In a further embodiment, the Citrix graphics driver of display manager 220 or Desktop Window Manager produce the order of the frame per second revising the window associated with application-specific.
In one embodiment, the first hook component 202 tackles the order presenting frame of the first application 206.First hook component 202 can monitor the frame per second of the output of the first application 206 and the change detected in frame per second.In certain embodiments, the first hook component 202 detects the increase in frame per second.In other embodiments, the first hook component detects the reduction in frame per second.In yet another embodiment, the renewal that the first hook component 202 tackles the first application 206 comprises the order of the impact damper of the output data for showing.In yet another embodiment, the first hook component 202 tackles the order from the first application 206 to application programming interface transmission, and described application programming interface is such as graphic designs interface (GDI).
In one embodiment, display manager 220 is received in the identification of multiple frames of display a period of time inherent first window 204 from the first hook component 202.In a further embodiment, display manager 220 receives the instruction of the change detected frame per second from the first hook component 202.First hook component 202 can notify the change of display manager 220 frame per second.In yet another embodiment, in response to received identification, display manager 220 determines that the follow-up renewal application transmitted from the first application 206 to local computing de 102 being exported to data performs progressive display technology.
Quantity in response to identified frame is compressed and is applied to first the mark (304) that the application produced exports the renewal of data.In certain embodiments, remote agent 222 receives instruction progressive display technology being applied to mark application being exported to the renewal of data from display manager 220.In one of these embodiments, remote agent 222 receives that compression transmit from remote agent 220 to local agent 224, for showing first window 204 the instruction of all data.These embodiments another in, remote agent 222 receives compression exports the mark of the renewal of data instruction to the first application of producing of application 206.These embodiments another in, remote agent 222 compression applications exports the mark of data.Remote agent 220 can receive the instruction compressed any data relevant with application 206 or decompress.
In other embodiments, display manager 220 compresses the mark of the renewal to the application output data that the first application 206 produces.In one of these embodiments, display manager 220 transmits this to remote agent 222 applies to first the mark that 206 application produced export the compression of the renewal of data, transmits for local computing de 102.
The mark of this compression is transferred to local computing de (306) from remote computing device.In one embodiment, the mark of this compression is transferred to local agent 224 by remote agent 222.In yet another embodiment, local agent 224 decompresses to received mark.In yet another embodiment, local agent 224 indicates the output data showing this renewal in first window 204.In yet another embodiment, the mark that the application produced the first application 206 exports the decompression of the renewal of data is transferred to local Desktop Window Manager by local agent 224, shows in first window 204.
For on local computing de, the window of display application output data is identified in the multiple frames shown in a second window in a period of time, it is (308) of being produced by the second application performed on remote computing device that this application exports data.In one embodiment, the second hook component 208 is identified in the quantity of the frame of display in Second Window 210.In yet another embodiment, as composition graphs 3(302 above) described by first hook component 202 at place, the second hook component 208 is provided for the function of the quantity identifying frame.
The un-compressed mark applying the renewal of the application output data produced to second is transferred to local computing de (310) from remote computing device.In one embodiment, according to determining for checking, user to export that the renewal of data provides by benefiting to the second application of producing of application 212, than for checking the picture quality that image quality level that the renewal exporting data to the first application of producing of application 206 provides is higher, the application produced the second application 212 is exported the mark of the renewal of data in one format (such as, un-compressed) be transferred to local computing de 102, and the mark of the renewal of the output data that 206 produce will be applied in the second format (such as to first, compression) be transferred to local computing de 102.
Refer now to Fig. 4, process flow diagram describes the multiple frames shown in the window within a period of time according to the independent application window in the desktop environment for synthesis, optionally realizes another embodiment of the method for progressive display technology.Generally speaking, the method 400 comprises on local computing de, display application exports the multiple frames shown in first window in first window identification a period of time of data, and it is (402) of being produced by the first application performed on remote computing device that this application exports data.The method quantity comprised in response to identified frame is compressed and is applied to first the mark (404) that the application produced exports the renewal of data.The method comprises the mark of this compression is transferred to local computing de (406) from remote computing device.The method comprise in response to the identified frame shown in first window within this period quantity on local computing de display application export the mark (408) that the Second Window of data determines to transmit the compression of apply renewal of the application output data produced to perform on remote computing device second.The method comprises and is transferred to local computing de (410) by applying to second the mark that the application that produces exports the compression of the renewal of data from remote computing device.
Refer now to Fig. 4, more specifically, for on local computing de, the first window of display application output data determines the multiple frames shown in first window within a period of time, it is (402) of being produced by the first application performed on remote computing device that this application exports data.In certain embodiments, as composition graphs 3(302 above) the quantity determining the frame shown in first window within this period discussed.
Quantity in response to identified frame is compressed and is applied to first the mark (304) that the application produced exports the renewal of data.In certain embodiments, as composition graphs 3(304 above) discuss compress to the first application the application that produces export the mark of the renewal of data.
The mark of this compression is transferred to local computing de (406) from remote computing device.In certain embodiments, as composition graphs 3(306 above) the mark transmitting this compression discussed.
In response to the identified frame shown in first window within this period quantity on local computing de display application export the mark (408) that the Second Window of data determines to transmit the compression of apply renewal of the application output data produced to perform on remote computing device second.In one of these embodiments, display manager 220 determines that being applied in by first the multiple frame indicating users shown in a period of time applies alternately with two-forty and first, and therefore can not be subject to the adverse effect-such as these output data being used to compress technique, use Lossy Compression Algorithm to the mark upgraded, it may cause the compress technique low-qualityer image more different than use.
The mark applying the compression of the renewal of the application output data produced to second is transferred to local computing de (410) from remote computing device.Therefore, in certain embodiments, display manager 220 determine for first application transport compression output Data Update and for the un-compressed output Data Update of the second application transport.
Refer now to Fig. 5, process flow diagram describes the multiple frames shown in the window within a period of time according to the independent application window in the desktop environment for synthesis, optionally realizes an embodiment of the method for progressive display technology.Generally speaking, the method 500 comprises on local computing de, display application exports the multiple frames shown in first window in first window identification a period of time of data, and it is (502) of being produced by the first application performed on remote computing device that this application exports data.The method quantity comprised in response to identified frame is compressed and is applied to first the mark (504) that the application produced exports the renewal of data.The method comprises the mark of this compression is transferred to local computing de (506) from remote computing device.The method comprise in response to the identified frame shown in first window within this period quantity on local computing de the compositing desktop of display translation data determine to transmit mark (508) to the compression of the renewal of the output data that the remote desktop Compositing Engine performed on remote computing device produces.The method comprises the mark applying the compression of the renewal of the output data produced to second is transferred to local computing de (510) from remote computing device.
Refer now to Fig. 5, more specifically, for on local computing de, the first window of display application output data determines the multiple frames shown in first window within a period of time, it is (502) of being produced by the first application performed on remote computing device that this application exports data.In certain embodiments, as composition graphs 3(302 above) the quantity determining the frame shown in first window within this period discussed.
Quantity in response to identified frame is compressed and is applied to first the mark (504) that the application produced exports the renewal of data.In certain embodiments, as composition graphs 3(304 above) discuss compress to the first application the application that produces export the mark of the renewal of data.
The mark of this compression is transferred to local computing de (506) from remote computing device.In certain embodiments, as composition graphs 3(306 above) the mark transmitting this compression discussed.
In response to the identified frame shown in first window within this period quantity on local computing de the compositing desktop of display translation data determine to transmit mark (508) to the compression of the renewal of the output data that the remote desktop Compositing Engine performed on remote computing device produces.In one embodiment, display manager 220 determines that being applied in by first the multiple frame indicating users shown in a period of time applies alternately with two-forty and first, and the output data being used for showing that therefore can not be subject to being selected by remote desktop Compositing Engine 232 this use the adverse effect of compress technique-such as, by using Lossy Compression Algorithm to the mark upgraded, this may cause the compress technique low-qualityer image more different than use.The mark of the compression of the renewal of the output data produced remote desktop Compositing Engine is transferred to local computing de (510) from remote computing device.
In certain embodiments, compress technique comprises the method for the display unit of the device for upgrading such as local computing de 102.In other embodiments, the compress technique of example comprise for according to the communication between remote computing device 106 and local computing de 102 can amount of bandwidth use the method for compression algorithm.In one of these embodiments, method can comprise: (a) from be positioned at away from calculation element 102, the video buffer of calculation element 106 that performs application copies display information; B () calculates the size of this display update; C () determines the amount of bandwidth available of the network connecting calculation element and display unit; D () calculates and this display update is sent to time period needed for calculation element 102 from calculation element 106; E this display update is transferred to this display by (); And (f) repeats step (a)-(e) after this period in the past.These embodiments another in, application 206 produces and exports and send the rendering order of this images outputting of instruction application 206.The GDI order that the example of rendering order can include but not limited to raster manipulation, be provided by the operating system based on WINDOWS, and by QUICKDRAW or the QUARTZ order provided based on MAC/OS operating system.Rendering order also can be called as " GDI order ".These embodiments another in, rendering order is written to the impact damper provided by calculation element 106.These embodiments another in, such as will be write this impact damper to the order that the figure of calculation element 106 shows the lower level of the interface interchange of the device driver associated.The content of impact damper is transmitted periodically to calculation element 102.These embodiments another in, how long once the content of buffer is sent to the function that remote display unit can be current data volume undetermined on network.By dynamically determining this time period, this technology is provided to calculation element 102 and be transmitted " immediately " of display update frame.These embodiments another in, after determining the variable quantity shown, create display update frame, and if needed (such as, if determined this specific renewal of needs by display manager 220), renewal display frame is damaged, for transmitting to calculation element 102 to create to this renewal display frame application lossy compression.These embodiments another in, use image codec (such as, use arithmetic coding JPEG compression).Although such coding makes purpose processor more, the size of display update frame can be reduced similar 30 percent relative to other codecs (such as, using the JPEG compression of the Huffman coding optimized) by it.Before application Lossy Compression Algorithm, can this display update frame of buffer memory.These embodiments another in, once terminate during Gao Gengxin, then the display update frame of institute's buffer memory is forwarded to remote display unit subsequently.
In other embodiments, the compress technique of example comprises the method for the passage applied compression algorithm based on predetermined amount of time.In one embodiment, the method such as upgrading the display unit of local device 102 comprises: the display update information of the renewal queue of the rendering order that (a) access sends from storage application 206; This display update information of (b) buffer memory; C () damages display update to this display update Information application Lossy Compression Algorithm to create; D renewal that this damages by () is transferred to local computing de 102; (e) to the display update Information application lossless compression algorithm in buffer memory to create harmless display update; (f) harmless display update of schedule time transmission after transmission damages renewal.In certain embodiments, the specific part of specific renewal can stand Lossy Compression Algorithm.In one of these embodiments, the application of lossy compression method carrys out manually call operation pattern and controlling by arranging global flag; Such as, this compact model can be opened and closed by user.These embodiments another in, display manager 220 indicate upgrade whether will bear Lossy Compression Algorithm.These embodiments another in, Lossy Compression Algorithm be image codec (such as, use arithmetic coding JPEG compression); Although such coding makes purpose processor more, the size of display update frame can be reduced similar 30 percent relative to other codecs (such as, using the JPEG compression of the Huffman coding optimized) by it.In yet another embodiment, other lossy compression is used.These embodiments another in, if there is not new rendering order in a buffer, so lossless compression algorithm is applied to the copy of the display in this impact damper to produce harmless display update, and it is then transferred to local computing de 102.
In other embodiments of compress technique, the method being similar to progressive picture coding uses the result utilizing the technology of Iamge Segmentation and interpolation to encode with approximate progressive picture.In one of these embodiments, the image segmentating device on remote computing device 106 receives image and with vertical area, this Iamge Segmentation is become multiple region according to the horizontal zone of predetermined quantity.These embodiments another in, have by splitting the result images of image creation the pixel being assigned to specific region or associating with specific region, it is staggered for wherein running through whole image and thus running through these regions of whole pixel.These embodiments another in, from segmentation image creation image block or image section, wherein each image block associates with specific region.These embodiments another in, by scrambler image block encoded and be transferred to local computing de 102 by communication channel.These implement another in, the local agent 224 on local computing de 102 receives each image block and image block is forwarded to demoder (not shown), and then demoder is decoded to each image block.These embodiments another in, image block is sent to combination from demoder and is acted on behalf of (not shown), and this combination is acted on behalf of wrong each the received image blocks of the image block reciprocal cross received with other and used the weighted mean of neighborhood pixels to carry out interpolation with the pixel value of approximate missing pixel.These embodiments another in, when image is by interpolation or when fully rebuilding, local computing de 102 shows this image.
In certain embodiments, compress technique comprises the method for progressive display.In one of these embodiments, such as, the output data that the user of local computing de 102 requires access application 206 to produce, and the remote agent 222 communicated with display manager 220 transmits the response to local computing de 102, comprises the initial pictures of high compression.In these embodiments, at ensuing a few frame refreshing, with the image on any screen do not changed of gradual better quality image update, until they substantially harmless (such as not compressed).These embodiments another in, high compression can not be carried out to initial pictures, because it may be by depend on that the first quality level of such as network condition carries out the image encoded or compress, the second quality level (such as than the better quality level of the first level) image subsequently can be encoded or compresses simultaneously; Can encode until reach the quality level of expectation to image subsequently with the quality level improved gradually.In one of these embodiments, can encode to image initial and subsequently via providing the lossy coding/compress technique of the level of detail be constantly increased on each coding, until reach the predetermined threshold (it still likely damages) of picture quality or obtain lossless image.These embodiments another in, progressive display technology can be applied to any screen change faintly.
In other embodiments, progressive display method comprises to the intelligent use of compression algorithm to guarantee display translation data on local computing de 102 as far as possible in time, and the network delay of communication no matter between local computing de 102 and remote computing device 106 or available bandwidth are how.In one of these embodiments, make the image of compression can be transferred to local computing de 102 to data applied compression algorithm, and the progressively refinement of the picture quality of carrying out in time is then provided.These embodiments another in, compress technique-or progressive display method itself-selectivity application improve the efficiency being transmitted data by network 104 to calculation element 102.
In other embodiments of the system for progressive display, display manager 220 is called as primary processor.In one of these embodiments, such host-processor can comprise the function of remote agent 222.These embodiments another in, this host-processor comprises the function of display manager 220.These embodiments another in, this primary processor comprises the image engine communicated with display manager 220, its receive display manager 220 to when exporting the instruction of market demand compress technique, to output market demand compress technique.These embodiments another in, this primary processor comprises display manager 220, remote agent 222 and image engine.These embodiments another in, such as, primary processor can as SOC (system on a chip) or as on remote computing device 106 perform software process and be provided.These embodiments another in, local agent 224 can be called as entrance.
Should be appreciated that, above-described system can provide any number of of these assemblies or each and these assemblies can provide on stand-alone machine, or in certain embodiments, can provide on multiple machines of distributed system.Programming and/or engineering can be used system and method as described above to be embodied as method, device or product to provide software, firmware, hardware or above-mentioned any combination.In addition, said system and method can be used as and to realize on one or more product or one or more computer-readable program of realizing wherein and being provided.Term used herein " product " is intended to comprise from one or more computer-readable device, firmware, FPGA (Field Programmable Gate Array), storage arrangement (such as, EEPROM, ROM, PROM, RAM, SRAM etc.), hardware (such as, integrated circuit (IC) chip, field programmable gate array (FPGA), special IC (ASIC) etc.), electronic installation, computer-readable nonvolatile memory cell (such as, CD-ROM, floppy disk, hard disk etc.) are addressable or embed code wherein or logic.Described product can be provide the file server of the access to computer-readable program addressable from via Network transmission line, wireless transmission medium, signal, radiowave, infrared signal etc. by spatial.Described product can be flash card or tape.Described product comprises hardware logic and is embedded in the software or programmable code that are performed by processor in computer-readable medium.Usually, computer-readable program can realize by any programming language, as LISP, PERL, C, C++, C#, PROLOG, or any bytecode language of such as JAVA.Software program can be stored on one or more product as object code or wherein.
Describing some embodiment of the method and system for optionally realizing progressive display technology, to those skilled in the art, obviously can use other embodiments comprising concept of the present invention.
Claims (34)
1. multiple frames that basis shows in the window within a period of time optionally realize a method for progressive display technology, and described method comprises:
The first window being display first application output data on local computing de by the first hook component is identified in the multiple frames shown in first window in a period of time, and it is apply by perform on remote computing device first to produce that described first application exports data;
In response to the quantity of identified frame, compressed by remote agent and apply to first the mark that the first application produced exports the renewal of data;
By remote agent, the mark of this compression is transferred to local computing de from remote computing device;
The Second Window being display second application output data on local computing de by the second hook component is identified in the multiple frames shown in a second window in a period of time, and it is apply by perform on remote computing device second to produce that described second application exports data;
By remote agent, the un-compressed mark applying the renewal of the second application output data produced to second is transferred to local computing de from remote computing device.
2. method according to claim 1, also comprises and receives by the first hook component the information identifying the multiple frames produced by the first application.
3. method according to claim 2, also comprises, by the first hook component, the information of the quantity of this identification frame is forwarded to display manager.
4. method according to claim 1, also comprises and monitors by display manager the frame per second that the first application exports data and the second application output data.
5. method according to claim 1, also comprises and determines that the frame per second of the first application output data changes by display manager.
6. method according to claim 5, also comprises by display manager in response to determining that described frame per second has changed the instruction producing and the compression of remote agent is exported to the mark of the renewal of data to the first application.
7. method according to claim 1, wherein the first hook component, the second hook component and display manager are the functions of the driver inside in conjunction with non-desktop synthesis system execution.
8. method according to claim 1, also comprises:
Determine that the frame per second of the first application output data changes by display manager according to the information of the quantity identifying frame;
The instruction of compression to the mark of the renewal of the first application output data is transmitted according to the change of determined frame per second to remote agent by display manager; And
Transmitted the instruction do not compressed and the second application is exported to the mark of the renewal of data to remote agent according to the change of determined frame per second by display manager.
9. multiple frames that basis shows in the window optionally realize a method for progressive display technology, and described method comprises:
The first window being display first application output data on local computing de by the first hook component is identified in the multiple frames shown in first window in a period of time, and it is apply by perform on remote computing device first to produce that described first application exports data;
Produce compression by display manager according to identified multiple frames that will show and apply to first the instruction that the first application produced exports the mark of the renewal of data;
Compressed by remote agent and apply to first the mark that the first application produced exports the renewal of data;
By remote agent, the mark of this compression is transferred to local computing de from remote computing device;
By display manager for the Second Window showing the second application output data on local computing de is determined to compress or do not compress to apply to perform on remote computing device second the second mark that the second application produced exports the renewal of data; And
By remote agent by described to second apply produce second application export data renewal second mark be transferred to local computing de from remote computing device, according to the determination of display manager compress or do not compress this to second application export data renewal second mark.
10. method according to claim 9, also comprises and is determined to compress or do not compress described the second mark second application being exported to the renewal of data in response to the quantity being identified in the frame shown in this time period inherent first window by display manager.
11. methods according to claim 9, also comprise and monitor by display manager the frame per second that the first application exports data and the second application output data.
12. methods according to claim 9, also comprise:
Determined by display manager to compress the second mark the second application being exported to the renewal of data; And
Identify applying second of the compression of the renewal of the second application output data produced to second the Receiving Agent be transferred on local computing de by remote agent.
13. methods according to claim 9, also comprise:
Determined by display manager not compress the second mark the second application being exported to the renewal of data; And
Identify applying un-compressed second of the renewal of the second application output data produced to second the Receiving Agent be transferred on local computing de by remote agent.
14. methods according to claim 9, wherein the first hook component, the second hook component and display manager are the functions of the driver inside in conjunction with non-desktop synthesis system execution.
15. 1 kinds of bases are applied in for each execution in the environment the method that the multiple frames shown in the window in a period of time optionally realize progressive display technology, and described method comprises:
The first window exporting data for showing the first application on local computing de is identified in the multiple frames shown in first window in a period of time, and it is produced by the first application performed in the environment on remote computing device that described first application exports data;
In response to the quantity of identified frame, compress and apply to first the mark that the first application produced exports the renewal of data;
The mark of this compression is transferred to local computing de from remote computing device;
In response to the quantity of the identified frame shown in first window within this time period, on local computing de, the environment of display translation data is determined to transmit the mark to the compression of the renewal of the output data that the remote desktop window manager on remote computing device produces; And
The mark of the compression of the renewal of the output data produced remote desktop window manager is transferred to local computing de from remote computing device.
16. methods according to claim 15, wherein said environment comprises desktop synthesis system.
17. methods according to claim 15, wherein said environment comprises non-desktop synthesis system.
Multiple frames that 18. 1 kinds of bases show in the window optionally realize the system of progressive display technology, and described system comprises:
First hook component, it is identified in for the first window exporting data for showing the first application on local computing de the multiple frames shown in first window in a period of time, and it is produced by the first application performed on remote computing device that described first application exports data;
Remote agent, it is for the quantity in response to identified frame, compresses and applies to first the mark that the first application produced exports the renewal of data; And for the mark of this compression is transferred to local computing de from remote computing device;
Second hook component, it is identified in for the Second Window exporting data for showing the second application on local computing de the multiple frames shown in a second window in a period of time, and it is produced by the second application performed on remote computing device that described second application exports data;
Described remote agent is also for being transferred to local computing de by the un-compressed mark applying the renewal of the second application output data produced to second from remote computing device.
19. systems according to claim 18, also comprise display manager, and it exports the frame per second of data and the second application output data for monitoring the first application.
20. systems according to claim 18, wherein, described first hook component receives the information identifying the multiple frames produced by the first application.
21. systems according to claim 19, wherein, the information of the quantity identifying frame is forwarded to display manager by described first hook component.
22. systems according to claim 19, wherein, described display manager determines that the frame per second of the first application output data changes.
23. systems according to claim 19, wherein, described display manager is in response to determining that described frame per second has changed the instruction producing and the compression of remote agent is exported to the mark of the renewal of data to the first application.
24. systems according to claim 19, wherein the first hook component, the second hook component and display manager are the functions of the driver inside in conjunction with non-desktop synthesis system execution.
25. systems according to claim 18, also comprise display manager, its for:
Determine that the frame per second of the first application output data changes according to the information of the quantity identifying frame;
The instruction the first application being exported to the mark of the renewal of data is compressed in change according to determined frame per second to remote agent transmission; And
The instruction the second application being exported to the mark of the renewal of data is not compressed in change according to determined frame per second to remote agent transmission.
Multiple frames that 26. 1 kinds of bases show in the window optionally realize the system of progressive display technology, and described system comprises:
First hook component, first window for exporting data for showing the first application on local computing de is identified in the multiple frames shown in first window in a period of time, and it is produced by the first application performed on remote computing device that described first application exports data;
Display manager, for:
Produce compression according to identified multiple frames that will show and apply to first the instruction that the first application produced exports the mark of the renewal of data;
The Second Window exporting data for showing the second application on local computing de is determined to compress or do not compress to apply to perform on remote computing device second the second mark that the second application produced exports the renewal of data; With
Remote agent, for:
Compress and apply to first the mark that the first application produced exports the renewal of data;
The mark of this compression is transferred to local computing de from remote computing device; And
By described to second apply produce second application export data renewal second mark be transferred to local computing de from remote computing device, according to the determination of display manager compress or do not compress this to second application export data renewal second mark.
27. systems according to claim 26, wherein, described display manager is determined to compress or do not compress described the second mark second application being exported to the renewal of data in response to the quantity being identified in the frame shown in this time period inherent first window.
28. systems according to claim 26, wherein, described display manager monitoring first application exports the frame per second of data and the second application output data.
29. systems according to claim 26, wherein:
Display manager is determined to compress the second mark the second application being exported to the renewal of data; And
Remote agent identifies applying second of the compression of the renewal of the second application output data produced to second the Receiving Agent be transferred on local computing de.
30. systems according to claim 26, wherein:
Display manager is determined not compress the second mark the second application being exported to the renewal of data; And
Remote agent identifies applying un-compressed second of the renewal of the second application output data produced to second the Receiving Agent be transferred on local computing de.
31. systems according to claim 26, wherein the first hook component, the second hook component and display manager are the functions of the driver inside in conjunction with non-desktop synthesis system execution.
32. 1 kinds of bases are applied in for each execution in the environment the system that the multiple frames shown in the window in a period of time optionally realize progressive display technology, and described system comprises:
First window for exporting data for showing the first application on local computing de is identified in the device of the multiple frames shown in first window in a period of time, and it is produced by the first application performed in the environment on remote computing device that described first application exports data;
For the quantity in response to identified frame, compress and apply to first the device that the first application produced exports the mark of the renewal of data;
For the mark of this compression to be transferred to the device of local computing de from remote computing device;
For the quantity in response to the identified frame shown in first window within this time period, on local computing de, the environment of display translation data is determined to transmit the device to the mark of the compression of the renewal of the output data that the remote desktop window manager on remote computing device produces; And
Be transferred to the device of local computing de from remote computing device for the mark of the compression of the renewal by the output produced remote desktop window manager data.
33. systems according to claim 32, wherein said environment comprises desktop synthesis system.
34. systems according to claim 32, wherein said environment comprises non-desktop synthesis system.
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